:root {
  --text: #1d1d1f;
  --muted: #66666b;
  --faint: #8a8a91;
  --bg: #ffffff;
  --surface: #f5f5f7;
  --surface-2: #fbfbfd;
  --line: #dedee3;
  --hairline: #ececf0;
  --primary: #1d1d1f;
  --accent: #0068d6;
  --accent-soft: #eaf3ff;
  --green: #177a5b;
  --green-soft: #e8f5ef;
  --violet: #6f50a6;
  --warning: #8a5b00;
  --warning-soft: #fff6df;
  --radius: 8px;
  --shadow: 0 10px 35px rgba(0, 0, 0, 0.06);
  --max: 1120px;
  --measure: 790px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", system-ui, "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.56;
  letter-spacing: 0;
}

body,
button,
input {
  font-family: var(--font);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  font-weight: 650;
  letter-spacing: 0;
}

h1 {
  font-size: 48px;
  max-width: 920px;
  margin-bottom: 18px;
}

h2 {
  font-size: 30px;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

p {
  margin-bottom: 16px;
}

strong,
b {
  font-weight: 650;
}

table {
  border-collapse: collapse;
}

button,
input {
  font-size: 1rem;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.container-narrow {
  max-width: var(--measure);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--hairline);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  backdrop-filter: blur(18px) saturate(170%);
}

.nav-inner {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 650;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 0.82rem;
  background: #fff;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 560;
  padding: 8px 10px;
  border-radius: var(--radius);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
}

.eyebrow {
  color: var(--accent);
  display: inline-block;
  font-size: 0.83rem;
  font-weight: 650;
  margin-bottom: 12px;
}

.lead {
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.48;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.9rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.72fr);
  gap: 56px;
  align-items: center;
  padding: 72px 0 60px;
}

.hero-copy {
  max-width: 740px;
}

.hero-actions,
.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 28px;
}

.button,
.slot-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 620;
  color: #fff;
  background: var(--primary);
  cursor: pointer;
}

.button:hover {
  text-decoration: none;
  background: #000;
}

.button-secondary {
  color: var(--text);
  background: #fff;
  border-color: var(--line);
}

.button-secondary:hover {
  background: var(--surface);
}

.button-pending,
.slot-button {
  color: var(--muted);
  background: var(--surface);
  border-color: var(--line);
  cursor: default;
}

.decision-panel,
.card,
.email-box,
.callout,
.calculator,
.author-box {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: #fff;
}

.decision-panel {
  padding: 26px;
  box-shadow: var(--shadow);
  background:
    linear-gradient(180deg, rgba(0, 104, 214, 0.06), rgba(23, 122, 91, 0.04)),
    #fff;
}

.decision-panel h2 {
  font-size: 28px;
  margin: 8px 0 10px;
}

.panel-strip,
.link-slots {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.panel-strip span,
.link-slots .slot {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  font-size: 0.94rem;
}

.proof-visual {
  display: block;
  width: 100%;
  margin-top: 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--surface);
}

.section {
  padding: 58px 0;
}

.section-surface {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.section-head {
  max-width: 780px;
  margin-bottom: 28px;
}

.guide-card {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: 32px;
  align-items: center;
  padding: 26px;
  color: inherit;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.guide-card:hover {
  border-color: #cfcfd6;
  box-shadow: var(--shadow);
  transform: translateY(-1px);
  text-decoration: none;
}

.guide-card h3 {
  font-size: 27px;
  margin: 12px 0 10px;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.offer-grid .card {
  min-height: 220px;
}

.meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--faint);
  font-size: 0.88rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 0.78rem;
  font-weight: 650;
}

.badge-warning {
  color: var(--warning);
  background: var(--warning-soft);
}

.badge-green {
  color: var(--green);
  background: var(--green-soft);
}

.verdict-stack {
  display: grid;
  gap: 10px;
}

.verdict-stack span {
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 12px;
}

.trust-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 56px;
  align-items: start;
}

.method-list,
.method-cards,
.grid-2,
.grid-3 {
  display: grid;
  gap: 16px;
}

.method-list div {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.method-list span,
.card p,
.author-box p {
  color: var(--muted);
  margin-bottom: 0;
}

.email-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  box-shadow: var(--shadow);
}

.email-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.email-form input {
  min-width: 0;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  color: var(--text);
  background: #fff;
}

.form-status {
  grid-column: 1 / -1;
  min-height: 22px;
  color: var(--muted);
  font-size: 0.88rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.footer {
  border-top: 1px solid var(--hairline);
  background: var(--surface-2);
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 28px;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.article-header {
  padding: 54px 0 36px;
  border-bottom: 1px solid var(--hairline);
}

.article-header h1 {
  font-size: 44px;
}

.article-meta {
  margin-top: 18px;
}

.disclosure,
.status-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
  color: var(--muted);
  background: var(--surface);
  font-size: 0.92rem;
}

.disclosure {
  margin-top: 18px;
}

.callout {
  margin: 30px 0;
  padding: 22px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}

.callout ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

.callout li + li {
  margin-top: 8px;
}

.article-section {
  padding: 38px 0;
  border-top: 1px solid var(--hairline);
}

.article-section:first-of-type {
  border-top: 0;
}

.article-section > p,
.article-section > ul,
.article-section > ol,
.article-section > dl {
  max-width: var(--measure);
}

.card {
  padding: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  margin: 20px 0 12px;
}

.comparison-table {
  width: 100%;
  min-width: 760px;
  font-size: 0.92rem;
}

.comparison-table th,
.comparison-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  color: var(--muted);
  background: var(--surface);
  font-weight: 650;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.win {
  color: var(--green);
  font-weight: 650;
}

.calculator {
  display: grid;
  gap: 24px;
  padding: 22px;
  margin-top: 20px;
  background: var(--surface-2);
}

.weight-grid {
  display: grid;
  gap: 12px;
}

.slider-row {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(150px, 240px) 52px;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 0.93rem;
}

.slider-row output {
  color: var(--text);
  font-weight: 650;
  text-align: right;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.score-grid {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) repeat(3, 76px);
  gap: 8px;
  align-items: center;
}

.score-head {
  color: var(--faint);
  font-size: 0.8rem;
  font-weight: 650;
}

.score-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.score-grid input {
  width: 76px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.bars {
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.bar {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 54px;
  gap: 12px;
  align-items: center;
  color: var(--muted);
  font-size: 0.93rem;
}

.bar-track {
  display: block;
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9e9ee;
}

.bar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.winner {
  margin: 0;
  font-weight: 700;
}

.positioning {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 20px;
  background: #fff;
  margin-top: 20px;
}

.positioning-map {
  position: relative;
  height: 330px;
  border-left: 1px solid #aaaab2;
  border-bottom: 1px solid #aaaab2;
  background:
    linear-gradient(to right, transparent 49.8%, var(--hairline) 49.8%, var(--hairline) 50.2%, transparent 50.2%),
    linear-gradient(to bottom, transparent 49.8%, var(--hairline) 49.8%, var(--hairline) 50.2%, transparent 50.2%);
}

.map-point {
  position: absolute;
  transform: translate(-50%, 50%);
  display: grid;
  gap: 3px;
  justify-items: center;
  min-width: 108px;
  color: var(--text);
}

.dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
}

.map-point b {
  font-size: 0.92rem;
}

.map-point span {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.zapier .dot {
  background: var(--violet);
}

.make .dot {
  background: var(--accent);
}

.n8n .dot {
  background: var(--green);
}

.axis-x,
.axis-y {
  color: var(--muted);
  font-size: 0.82rem;
}

.axis-x {
  margin-top: 10px;
  text-align: center;
}

.axis-y {
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-90deg);
  white-space: nowrap;
}

.faq {
  display: grid;
  gap: 18px;
}

.faq dt {
  font-weight: 700;
}

.faq dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.author-box {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  margin: 20px 0 52px;
}

.avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  border: 1px solid var(--line);
}

.source-list {
  font-size: 0.9rem;
  color: var(--muted);
}

.source-list li + li {
  margin-top: 8px;
}

.method-page {
  padding: 60px 0 74px;
}

.method-cards {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.method-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

@media (max-width: 860px) {
  h1,
  .article-header h1 {
    font-size: 36px;
  }

  .hero,
  .guide-card,
  .trust-grid,
  .email-box,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 30px;
    padding: 48px 0;
  }

  .grid-2,
  .grid-3,
  .offer-grid,
  .method-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .container {
    padding: 0 18px;
  }

  .nav-inner {
    height: auto;
    min-height: 58px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 18px;
  }

  .nav-links {
    margin-left: 0;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  h1,
  .article-header h1 {
    font-size: 31px;
  }

  h2 {
    font-size: 25px;
  }

  .lead {
    font-size: 1.06rem;
  }

  .email-form,
  .slider-row,
  .bar {
    grid-template-columns: 1fr;
  }

  .slider-row output {
    text-align: left;
  }

  .score-grid {
    grid-template-columns: minmax(112px, 1fr) repeat(3, 54px);
    gap: 6px;
  }

  .score-grid input {
    width: 54px;
  }

  .positioning-map {
    height: 290px;
  }

  .axis-y {
    display: none;
  }
}